Nokea
Binomial distribution is
- A. Discrete distribution
- B. Continuous distribution
- C. Individual distribution
- D. Poisson distribution
Correct Answer: A
Rationale: The binomial distribution models discrete outcomes, typically successes and failures.
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The measure of central location most commonly used with the interquartile range is the:
- A. Arithmetic mean
- B. Geometric mean
- C. Median
- D. Midrange
Correct Answer: C
Rationale: The median is typically paired with the IQR to summarize data.
Health education on early diagnosis and treatment is
- A. primary prevention
- B. secondary prevention
- C. tertiary prevention
- D. primordial prevention
Correct Answer: B
Rationale: Secondary prevention involves early detection and intervention to halt or slow the progression of disease.
The truth about normal distribution curve is all except
- A. Mean median and mode of all confidence
- B. Standard deviation is one
- C. Mean of the curve is hundred
- D. The total area of the curve is one
Correct Answer: C
Rationale: The mean of a standard normal curve is 0, not 100.
Does notifiable disease surveillance focus on both morbidity and mortality?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Notifiable disease surveillance typically covers both morbidity and mortality related to the listed diseases.
Define the following terms: Controlled clinical trial
- A. A study where all participants receive the same treatment.
- B. A trial comparing an intervention against a control group.
- C. A trial without any specific hypotheses.
- D. A trial conducted without ethical approval.
Correct Answer: B
Rationale: Controlled clinical trials compare interventions to a control to establish causality.